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From: Richard Henderson <richard.henderson@linaro.org>
To: "Philippe Mathieu-Daudé" <f4bug@amsat.org>, qemu-devel@nongnu.org
Cc: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>,
	Alistair Francis <alistair.francis@wdc.com>
Subject: Re: [PATCH 1/6] target/microblaze: Use the IEC binary prefix definitions
Date: Thu, 3 Jun 2021 09:34:28 -0700	[thread overview]
Message-ID: <72e0b8d0-5350-75b4-e87d-28c0b0a67ac4@linaro.org> (raw)
In-Reply-To: <20210603090310.2749892-2-f4bug@amsat.org>

On 6/3/21 2:03 AM, Philippe Mathieu-Daudé wrote:
>   static unsigned int tlb_decode_size(unsigned int f)
>   {
>       static const unsigned int sizes[] = {
> -        1 * 1024, 4 * 1024, 16 * 1024, 64 * 1024, 256 * 1024,
> -        1 * 1024 * 1024, 4 * 1024 * 1024, 16 * 1024 * 1024
> +        1 * KiB, 4 * KiB, 16 * KiB, 64 * KiB, 256 * KiB,
> +        1 * MiB, 4 * MiB, 16 * MiB
>       };
>       assert(f < ARRAY_SIZE(sizes));
>       return sizes[f];

I guess this is clearer, but I'll also note that this is 4**f KiB, so could 
just as well be computed by

     assert(f < 8);
     return KiB << (f * 2);

Either way,
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~


  parent reply	other threads:[~2021-06-03 16:43 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-03  9:03 [PATCH 0/6] target/microblaze: Clean up MMU translation failed path Philippe Mathieu-Daudé
2021-06-03  9:03 ` [PATCH 1/6] target/microblaze: Use the IEC binary prefix definitions Philippe Mathieu-Daudé
2021-06-03 16:29   ` Edgar E. Iglesias
2021-06-03 16:34   ` Richard Henderson [this message]
2021-06-03 23:34   ` Alistair Francis
2021-06-03  9:03 ` [PATCH 2/6] target/microblaze: Extract FPU helpers to fpu_helper.c Philippe Mathieu-Daudé
2021-06-03 16:29   ` Edgar E. Iglesias
2021-06-03 23:35   ` Alistair Francis
2021-06-03  9:03 ` [PATCH 3/6] target/microblaze: Assert transaction failures have exception enabled Philippe Mathieu-Daudé
2021-06-03 16:30   ` Edgar E. Iglesias
2021-06-03  9:03 ` [PATCH 4/6] target/microblaze: Fix Exception Status Register 'Cause' definitions Philippe Mathieu-Daudé
2021-06-03 16:35   ` Edgar E. Iglesias
2021-06-03  9:03 ` [PATCH 5/6] target/microblaze: Replace magic values by proper definitions Philippe Mathieu-Daudé
2021-06-03 16:36   ` Edgar E. Iglesias
2021-06-03 16:37   ` Richard Henderson
2021-06-03  9:03 ` [PATCH 6/6] target/microblaze: Set OPB bits in tlb_fill, not in transaction_failed Philippe Mathieu-Daudé
2021-06-03 16:47   ` Edgar E. Iglesias

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